[postgis-devel] [WKT Raster] Type of extent column of RASTER_COLUMNS

[Frank Warmerdam]

Mateusz Loskot wrote:
> Mateusz Loskot wrote: 
>> Hi,
>>
>> I'm wondering why extend column of RASTER_COLUMNS table is of type of
>> GEOMETRY instead of POLYGON (or even BOX2D).
> 
> I'm taking the idea of BOX2D back, completely forgot it's of POLYGON type as well.

Mateusz,

I would add that using a polygon has the potential of describing
irregular image footprints, though this is not supported in the
"regular_blocking=true" case.

Best regards,
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